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madreJ [45]
3 years ago
7

Please help me to find area of semicircle

Mathematics
1 answer:
mojhsa [17]3 years ago
5 0

Answer:

Use a calculator and use the formula 1/2 × pi × (radius squared)

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Can someone help me Please
gulaghasi [49]

Answer:

6x^3+6y^3+10

Step-by-step explanation:

7 0
3 years ago
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987÷z=164.5
AveGali [126]

Answer:

z=6

Step-by-step explanation:

987/z=164.5

multiply both sides by z

4 0
3 years ago
Determine the complement and/or supplement of each angle. If it is not possible, explain.
Alecsey [184]

Answer:

  • complement: 32.8°
  • supplement: 122.8°

Step-by-step explanation:

The sum of an angle A and its complement C is 90°:

  A + C = 90°

  C = 90° -A . . . . . subtract A from both sides.

That is, the complement of an angle is found by subtracting the angle from 90°.

__

The sum of an angle and its supplement is 180°. This means the supplement of an angle is found by subtracting the angle from 180°. You may notice the supplement is 90° more than the complement.

  A + S = 180°

  S = 180° -A = 90° +(90° -A)

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For the given angle, the complement is ...

  C = 90° -57.2° = 32.8°

And the supplement is ...

  S = 180° -57.2° = 122.8°

_____

<em>Additional comment</em>

We generally like angle measures to be positive (as with all measures in geometry). Hence, we might say that the complement of an angle greater than 90° does not exist. YMMV

3 0
2 years ago
A cylindrical can of soup has a height of 4 inches and a radius of 2 inches. What is the volume of the can? Round to the nearest
nordsb [41]

Answer:

50.29 cubic inches.

Step-by-step explanation:

Volume = 50.28571428571424

5 0
3 years ago
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What expression can be used to find the total discount? Select all that apply. 0.3*42 or 3/10*42 or 0.03*42 or 3 *4.2
ehidna [41]

0.3*42   this gives you a 30% discount

3/10*42  this gives you a 30% discount

0.03*42 this gives you a 3% discount

3 *4.2  This is not a  discount

6 0
3 years ago
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